From ecb972c71cbd39018321719b674ec8357d13cd76 Mon Sep 17 00:00:00 2001
From: Jason Wasem <46989741+Soein@users.noreply.github.com>
Date: Thu, 18 Dec 2025 00:42:12 +0800
Subject: [PATCH] fix(search): add null check for canvas elements in fulltext
 search
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添加对 Canvas 笔记 elements 字段的空值检查，防止当 elements 为 null 或非数组时搜索功能报错。

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
---
 .../search/expressions/note_content_fulltext.ts     | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/apps/server/src/services/search/expressions/note_content_fulltext.ts b/apps/server/src/services/search/expressions/note_content_fulltext.ts
index 8a513d99b..21fd135c9 100644
--- a/apps/server/src/services/search/expressions/note_content_fulltext.ts
+++ b/apps/server/src/services/search/expressions/note_content_fulltext.ts
@@ -317,11 +317,16 @@ class NoteContentFulltextExp extends Expression {
 
             let canvasContent = JSON.parse(content);
             const elements: Element[] = canvasContent.elements;
-            const texts = elements
-                .filter((element: Element) => element.type === "text" && element.text) // Filter for 'text' type elements with a 'text' property
-                .map((element: Element) => element.text!); // Use `!` to assert `text` is defined after filtering
 
-            content = normalize(texts.toString());
+            if (elements && Array.isArray(elements)) {
+                const texts = elements
+                    .filter((element: Element) => element.type === "text" && element.text) // Filter for 'text' type elements with a 'text' property
+                    .map((element: Element) => element.text!); // Use `!` to assert `text` is defined after filtering
+
+                content = normalize(texts.toString());
+            } else {
+                content = "";
+            }
         }
 
         return content.trim();